2017157463490 has 16 divisors (see below), whose sum is σ = 3910182160248. Its totient is φ = 744796601856.

The previous prime is 2017157463457. The next prime is 2017157463521. The reversal of 2017157463490 is 943647517102.

It can be written as a sum of positive squares in 4 ways, for example, as 931412219409 + 1085745244081 = 965097^2 + 1041991^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7758297807 + ... + 7758298066.

Almost surely, 2^{2017157463490} is an apocalyptic number.

2017157463490 is a deficient number, since it is larger than the sum of its proper divisors (1893024696758).

2017157463490 is a wasteful number, since it uses less digits than its factorization.

2017157463490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15516595893.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 2017157463490 in words is "two trillion, seventeen billion, one hundred fifty-seven million, four hundred sixty-three thousand, four hundred ninety".