215464232061434 has 16 divisors (see below), whose sum is σ = 331949846695176. Its totient is φ = 104814607060800.

The previous prime is 215464232061401. The next prime is 215464232061469. The reversal of 215464232061434 is 434160232464512.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 210122332386409 + 5341899675025 = 14495597^2 + 2311255^2 .

It is a super-2 number, since 2×215464232061434² (a number of 29 digits) contains 22 as substring.

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, 79634837 + ... + 82296024.

Almost surely, 2^{215464232061434} is an apocalyptic number.

215464232061434 is a deficient number, since it is larger than the sum of its proper divisors (116485614633742).

215464232061434 is a wasteful number, since it uses less digits than its factorization.

215464232061434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161948881.

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 215464232061434 in words is "two hundred fifteen trillion, four hundred sixty-four billion, two hundred thirty-two million, sixty-one thousand, four hundred thirty-four".