2120746631497 has 8 divisors (see below), whose sum is σ = 2404085250560. Its totient is φ = 1854580050000.

The previous prime is 2120746631489. The next prime is 2120746631543. The reversal of 2120746631497 is 7941366470212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2120746631497 - 2³ = 2120746631489 is a prime.

It is a super-2 number, since 2×2120746631497² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120746631447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4293009129 + ... + 4293009622.

It is an arithmetic number, because the mean of its divisors is an integer number (300510656320).

Almost surely, 2^{2120746631497} is an apocalyptic number.

It is an amenable number.

2120746631497 is a deficient number, since it is larger than the sum of its proper divisors (283338619063).

2120746631497 is a wasteful number, since it uses less digits than its factorization.

2120746631497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8586018783.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 2120746631497 in words is "two trillion, one hundred twenty billion, seven hundred forty-six million, six hundred thirty-one thousand, four hundred ninety-seven".