38537462738 has 4 divisors (see below), whose sum is σ = 57806194110. Its totient is φ = 19268731368.

The previous prime is 38537462723. The next prime is 38537462771. The reversal of 38537462738 is 83726473583.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38403065089 + 134397649 = 195967^2 + 11593^2 .

It is a super-3 number, since 3×38537462738³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9634365683 + ... + 9634365686.

Almost surely, 2^38537462738 is an apocalyptic number.

38537462738 is a deficient number, since it is larger than the sum of its proper divisors (19268731372).

38537462738 is a wasteful number, since it uses less digits than its factorization.

38537462738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19268731371.

The product of its digits is 20321280, while the sum is 56.

The spelling of 38537462738 in words is "thirty-eight billion, five hundred thirty-seven million, four hundred sixty-two thousand, seven hundred thirty-eight".