47698501690 has 96 divisors (see below), whose sum is σ = 104243512464. Its totient is φ = 15653514240.

The previous prime is 47698501687. The next prime is 47698501729. The reversal of 47698501690 is 9610589674.

It can be written as a sum of positive squares in 8 ways, for example, as 8728978041 + 38969523649 = 93429^2 + 197407^2 .

It is a super-2 number, since 2×47698501690² (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1042372 + ... + 1087168.

Almost surely, 2^47698501690 is an apocalyptic number.

47698501690 is an abundant number, since it is smaller than the sum of its proper divisors (56545010774).

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

47698501690 is a wasteful number, since it uses less digits than its factorization.

47698501690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44912 (or 44905 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 47698501690 in words is "forty-seven billion, six hundred ninety-eight million, five hundred one thousand, six hundred ninety".