61435256622 has 32 divisors (see below), whose sum is σ = 128238508800. Its totient is φ = 19584111360.

The previous prime is 61435256579. The next prime is 61435256627. The reversal of 61435256622 is 22665253416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61435256627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686629 + ... + 770927.

It is an arithmetic number, because the mean of its divisors is an integer number (4007453400).

Almost surely, 2^61435256622 is an apocalyptic number.

61435256622 is an abundant number, since it is smaller than the sum of its proper divisors (66803252178).

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

61435256622 is a wasteful number, since it uses less digits than its factorization.

61435256622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89608.

The product of its digits is 518400, while the sum is 42.

The spelling of 61435256622 in words is "sixty-one billion, four hundred thirty-five million, two hundred fifty-six thousand, six hundred twenty-two".