1947518950902 has 32 divisors (see below), whose sum is σ = 4526920569600. Its totient is φ = 547002900768.

The previous prime is 1947518950841. The next prime is 1947518950921. The reversal of 1947518950902 is 2090598157491.

It is a super-2 number, since 2×1947518950902² (a number of 25 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 in 15 ways as a sum of consecutive naturals, for example, 392959377 + ... + 392964332.

It is an arithmetic number, because the mean of its divisors is an integer number (141466267800).

Almost surely, 2^{1947518950902} is an apocalyptic number.

1947518950902 is an abundant number, since it is smaller than the sum of its proper divisors (2579401618698).

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

1947518950902 is a wasteful number, since it uses less digits than its factorization.

1947518950902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785923780.

The product of its (nonzero) digits is 8164800, while the sum is 60.

The spelling of 1947518950902 in words is "one trillion, nine hundred forty-seven billion, five hundred eighteen million, nine hundred fifty thousand, nine hundred two".