11620738493 has 8 divisors (see below), whose sum is σ = 14302447488. Its totient is φ = 9194430384.

The previous prime is 11620738487. The next prime is 11620738499. The reversal of 11620738493 is 39483702611.

It is an interprime number because it is at equal distance from previous prime (11620738487) and next prime (11620738499).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11620738493 - 2¹² = 11620734397 is a prime.

It is a super-2 number, since 2×11620738493² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11620738499) 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 7 ways as a sum of consecutive naturals, for example, 63850121 + ... + 63850302.

It is an arithmetic number, because the mean of its divisors is an integer number (1787805936).

Almost surely, 2^11620738493 is an apocalyptic number.

11620738493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11620738493 is a deficient number, since it is larger than the sum of its proper divisors (2681708995).

11620738493 is a wasteful number, since it uses less digits than its factorization.

11620738493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127700443.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 11620738493 in words is "eleven billion, six hundred twenty million, seven hundred thirty-eight thousand, four hundred ninety-three".