620735268153 has 96 divisors (see below), whose sum is σ = 1161661495680. Its totient is φ = 289610173440.

The previous prime is 620735268143. The next prime is 620735268157. The reversal of 620735268153 is 351862537026.

It is a happy number.

It is not a de Polignac number, because 620735268153 - 2⁶ = 620735268089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620735268157) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 378733 + ... + 1176821.

It is an arithmetic number, because the mean of its divisors is an integer number (12100640580).

Almost surely, 2^620735268153 is an apocalyptic number.

It is an amenable number.

620735268153 is a deficient number, since it is larger than the sum of its proper divisors (540926227527).

620735268153 is a wasteful number, since it uses less digits than its factorization.

620735268153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798167 (or 798160 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 48.

It can be divided in two parts, 620735 and 268153, that added together give a palindrome (888888).

The spelling of 620735268153 in words is "six hundred twenty billion, seven hundred thirty-five million, two hundred sixty-eight thousand, one hundred fifty-three".