107621395249 has 9 divisors (see below), whose sum is σ = 108134608921. Its totient is φ = 107110610500.

The previous prime is 107621395243. The next prime is 107621395267. The reversal of 107621395249 is 942593126701.

The square root of 107621395249 is 328057.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 107621395249 - 2¹⁹ = 107620870961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107621395243) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 82341654 + ... + 82342960.

Almost surely, 2^107621395249 is an apocalyptic number.

107621395249 is the 328057-th square number.

107621395249 is the 164029-th centered octagonal number.

It is an amenable number.

107621395249 is a deficient number, since it is larger than the sum of its proper divisors (513213672).

107621395249 is an frugal number, since it uses more digits than its factorization.

107621395249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116 (or 1558 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 49.

Multiplying 107621395249 by its sum of digits (49), we get a square (5273448367201 = 2296399²).

The spelling of 107621395249 in words is "one hundred seven billion, six hundred twenty-one million, three hundred ninety-five thousand, two hundred forty-nine".