38973970434 has 32 divisors (see below), whose sum is σ = 89456117760. Its totient is φ = 11088825552.

The previous prime is 38973970429. The next prime is 38973970459. The reversal of 38973970434 is 43407937983.

It is a happy number.

It is a super-2 number, since 2×38973970434² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1931284 + ... + 1951359.

It is an arithmetic number, because the mean of its divisors is an integer number (2795503680).

Almost surely, 2^38973970434 is an apocalyptic number.

38973970434 is an abundant number, since it is smaller than the sum of its proper divisors (50482147326).

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

38973970434 is a wasteful number, since it uses less digits than its factorization.

38973970434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3882894.

The product of its (nonzero) digits is 13716864, while the sum is 57.

The spelling of 38973970434 in words is "thirty-eight billion, nine hundred seventy-three million, nine hundred seventy thousand, four hundred thirty-four".