34655306621 has 16 divisors (see below), whose sum is σ = 38362025520. Its totient is φ = 31102625280.

The previous prime is 34655306597. The next prime is 34655306659. The reversal of 34655306621 is 12660355643.

It can be written as a sum of positive squares in 8 ways, for example, as 174530521 + 34480776100 = 13211^2 + 185690^2 .

It is a cyclic number.

It is not a de Polignac number, because 34655306621 - 2¹⁴ = 34655290237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34655306221) 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, 45215 + ... + 267123.

It is an arithmetic number, because the mean of its divisors is an integer number (2397626595).

Almost surely, 2^34655306621 is an apocalyptic number.

It is an amenable number.

34655306621 is a deficient number, since it is larger than the sum of its proper divisors (3706718899).

34655306621 is a wasteful number, since it uses less digits than its factorization.

34655306621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222256.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 34655306621 in words is "thirty-four billion, six hundred fifty-five million, three hundred six thousand, six hundred twenty-one".