2457137643 has 8 divisors (see below), whose sum is σ = 3289237056. Its totient is φ = 1631565000.

The previous prime is 2457137609. The next prime is 2457137651. The reversal of 2457137643 is 3467317542.

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

It is not a de Polignac number, because 2457137643 - 2²⁴ = 2440360427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2457137595 and 2457137604.

It is not an unprimeable number, because it can be changed into a prime (2457137663) 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, 1630813 + ... + 1632318.

It is an arithmetic number, because the mean of its divisors is an integer number (411154632).

Almost surely, 2^2457137643 is an apocalyptic number.

2457137643 is a deficient number, since it is larger than the sum of its proper divisors (832099413).

2457137643 is a wasteful number, since it uses less digits than its factorization.

2457137643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3263385.

The product of its digits is 423360, while the sum is 42.

The square root of 2457137643 is about 49569.5233283517. The cubic root of 2457137643 is about 1349.4076309206.

The spelling of 2457137643 in words is "two billion, four hundred fifty-seven million, one hundred thirty-seven thousand, six hundred forty-three".