46397121738 has 32 divisors (see below), whose sum is σ = 101239250112. Its totient is φ = 14058460800.

The previous prime is 46397121707. The next prime is 46397121739. The reversal of 46397121738 is 83712179364.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (46397121739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913870 + ... + 963302.

It is an arithmetic number, because the mean of its divisors is an integer number (3163726566).

Almost surely, 2^46397121738 is an apocalyptic number.

46397121738 is an abundant number, since it is smaller than the sum of its proper divisors (54842128374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46397121738 is a wasteful number, since it uses less digits than its factorization.

46397121738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63670.

The product of its digits is 1524096, while the sum is 51.

The spelling of 46397121738 in words is "forty-six billion, three hundred ninety-seven million, one hundred twenty-one thousand, seven hundred thirty-eight".