49609019901 has 8 divisors (see below), whose sum is σ = 75594697024. Its totient is φ = 28348011360.

The previous prime is 49609019899. The next prime is 49609019909. The reversal of 49609019901 is 10991090694.

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

It is not a de Polignac number, because 49609019901 - 2¹ = 49609019899 is a prime.

It is a super-2 number, since 2×49609019901² (a number of 22 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 (49609019909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1181167120 + ... + 1181167161.

It is an arithmetic number, because the mean of its divisors is an integer number (9449337128).

Almost surely, 2^49609019901 is an apocalyptic number.

It is an amenable number.

49609019901 is a deficient number, since it is larger than the sum of its proper divisors (25985677123).

49609019901 is a wasteful number, since it uses less digits than its factorization.

49609019901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362334291.

The product of its (nonzero) digits is 157464, while the sum is 48.

The spelling of 49609019901 in words is "forty-nine billion, six hundred nine million, nineteen thousand, nine hundred one".