3989097711512 has 8 divisors (see below), whose sum is σ = 7479558209100. Its totient is φ = 1994548855752.

The previous prime is 3989097711497. The next prime is 3989097711559. The reversal of 3989097711512 is 2151177909893.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3989097711512² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249318606962 + ... + 249318606977.

Almost surely, 2^{3989097711512} is an apocalyptic number.

It is an amenable number.

3989097711512 is a deficient number, since it is larger than the sum of its proper divisors (3490460497588).

3989097711512 is a wasteful number, since it uses less digits than its factorization.

3989097711512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498637213945 (or 498637213941 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 62.

The spelling of 3989097711512 in words is "three trillion, nine hundred eighty-nine billion, ninety-seven million, seven hundred eleven thousand, five hundred twelve".