49023620845969 has 27 divisors (see below), whose sum is σ = 62683784250633. Its totient is φ = 38199803934600.

The previous prime is 49023620845957. The next prime is 49023620845981. The reversal of 49023620845969 is 96954802632094.

The square root of 49023620845969 is 7001687.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (49023620845957) and next prime (49023620845981).

It is not a de Polignac number, because 49023620845969 - 2¹³ = 49023620837777 is a prime.

It is a super-2 number, since 2×49023620845969² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49023620845909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 539084434 + ... + 539175364.

Almost surely, 2^{49023620845969} is an apocalyptic number.

49023620845969 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

49023620845969 is the 7001687-th square number.

49023620845969 is the 3500844-th centered octagonal number.

It is an amenable number.

49023620845969 is a deficient number, since it is larger than the sum of its proper divisors (13660163404664).

49023620845969 is an frugal number, since it uses more digits than its factorization.

49023620845969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181898 (or 90949 counting only the distinct ones).

The product of its (nonzero) digits is 201553920, while the sum is 67.

The spelling of 49023620845969 in words is "forty-nine trillion, twenty-three billion, six hundred twenty million, eight hundred forty-five thousand, nine hundred sixty-nine".