2130797957553 has 6 divisors (see below), whose sum is σ = 3077819272034. Its totient is φ = 1420531971696.

The previous prime is 2130797957543. The next prime is 2130797957611. The reversal of 2130797957553 is 3557597970312.

2130797957553 is a `hidden beast` number, since 2 + 1 + 3 + 0 + 7 + 9 + 7 + 9 + 575 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2122781978529 + 8015979024 = 1456977^2 + 89532^2 .

It is not a de Polignac number, because 2130797957553 - 2¹² = 2130797953457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130797957543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118377664300 + ... + 118377664317.

Almost surely, 2^{2130797957553} is an apocalyptic number.

It is an amenable number.

2130797957553 is a deficient number, since it is larger than the sum of its proper divisors (947021314481).

2130797957553 is a wasteful number, since it uses less digits than its factorization.

2130797957553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236755328623 (or 236755328620 counting only the distinct ones).

The product of its (nonzero) digits is 62511750, while the sum is 63.

The spelling of 2130797957553 in words is "two trillion, one hundred thirty billion, seven hundred ninety-seven million, nine hundred fifty-seven thousand, five hundred fifty-three".