245553653626 has 4 divisors (see below), whose sum is σ = 368330480442. Its totient is φ = 122776826812.

The previous prime is 245553653603. The next prime is 245553653627. The reversal of 245553653626 is 626356355542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 210602977225 + 34950676401 = 458915^2 + 186951^2 .

It is not an unprimeable number, because it can be changed into a prime (245553653627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61388413405 + ... + 61388413408.

Almost surely, 2^245553653626 is an apocalyptic number.

245553653626 is a deficient number, since it is larger than the sum of its proper divisors (122776826816).

245553653626 is a wasteful number, since it uses less digits than its factorization.

245553653626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122776826815.

The product of its digits is 19440000, while the sum is 52.

The spelling of 245553653626 in words is "two hundred forty-five billion, five hundred fifty-three million, six hundred fifty-three thousand, six hundred twenty-six".