46401396397 has 4 divisors (see below), whose sum is σ = 46463183296. Its totient is φ = 46339609500.

The previous prime is 46401396361. The next prime is 46401396401. The reversal of 46401396397 is 79369310464.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 46401396397 - 2²⁷ = 46267178669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46401391397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30892323 + ... + 30893824.

It is an arithmetic number, because the mean of its divisors is an integer number (11615795824).

Almost surely, 2^46401396397 is an apocalyptic number.

It is an amenable number.

46401396397 is a deficient number, since it is larger than the sum of its proper divisors (61786899).

46401396397 is an equidigital number, since it uses as much as digits as its factorization.

46401396397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61786898.

The product of its (nonzero) digits is 2939328, while the sum is 52.

The spelling of 46401396397 in words is "forty-six billion, four hundred one million, three hundred ninety-six thousand, three hundred ninety-seven".