3954637516 has 6 divisors (see below), whose sum is σ = 6920615660. Its totient is φ = 1977318756.

The previous prime is 3954637499. The next prime is 3954637567. The reversal of 3954637516 is 6157364593.

It is a self number, because there is not a number n which added to its sum of digits gives 3954637516.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494329686 + ... + 494329693.

Almost surely, 2^3954637516 is an apocalyptic number.

It is an amenable number.

3954637516 is a deficient number, since it is larger than the sum of its proper divisors (2965978144).

3954637516 is a wasteful number, since it uses less digits than its factorization.

3954637516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988659383 (or 988659381 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 49.

The square root of 3954637516 is about 62885.9087236560. The cubic root of 3954637516 is about 1581.3775194883.

The spelling of 3954637516 in words is "three billion, nine hundred fifty-four million, six hundred thirty-seven thousand, five hundred sixteen".