625409006134 has 16 divisors (see below), whose sum is σ = 1023415854336. Its totient is φ = 284271460200.

The previous prime is 625409006129. The next prime is 625409006147. The reversal of 625409006134 is 431600904526.

It is a super-2 number, since 2×625409006134² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074559 + ... + 1550965.

It is an arithmetic number, because the mean of its divisors is an integer number (63963490896).

Almost surely, 2^625409006134 is an apocalyptic number.

625409006134 is a deficient number, since it is larger than the sum of its proper divisors (398006848202).

625409006134 is a wasteful number, since it uses less digits than its factorization.

625409006134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536091.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 625409006134 in words is "six hundred twenty-five billion, four hundred nine million, six thousand, one hundred thirty-four".