46253668981 has 6 divisors (see below), whose sum is σ = 50085334050. Its totient is φ = 42695694288.

The previous prime is 46253668949. The next prime is 46253668991. The reversal of 46253668981 is 18986635264.

It can be written as a sum of positive squares in 3 ways, for example, as 256288081 + 45997380900 = 16009^2 + 214470^2 .

It is not a de Polignac number, because 46253668981 - 2⁵ = 46253668949 is a prime.

It is a super-2 number, since 2×46253668981² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46253668921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136845006 + ... + 136845343.

It is an arithmetic number, because the mean of its divisors is an integer number (8347555675).

Almost surely, 2^46253668981 is an apocalyptic number.

It is an amenable number.

46253668981 is a deficient number, since it is larger than the sum of its proper divisors (3831665069).

46253668981 is a wasteful number, since it uses less digits than its factorization.

46253668981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273690375 (or 273690362 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 58.

The spelling of 46253668981 in words is "forty-six billion, two hundred fifty-three million, six hundred sixty-eight thousand, nine hundred eighty-one".