2049157001 has 2 divisors, whose sum is σ = 2049157002. Its totient is φ = 2049157000.

The previous prime is 2049156997. The next prime is 2049157003. The reversal of 2049157001 is 1007519402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1943046400 + 106110601 = 44080^2 + 10301^2 .

It is a cyclic number.

It is not a de Polignac number, because 2049157001 - 2² = 2049156997 is a prime.

Together with 2049157003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2049157003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024578500 + 1024578501.

It is an arithmetic number, because the mean of its divisors is an integer number (1024578501).

Almost surely, 2^2049157001 is an apocalyptic number.

It is an amenable number.

2049157001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2049157001 is an equidigital number, since it uses as much as digits as its factorization.

2049157001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 2049157001 is about 45267.6153668381. The cubic root of 2049157001 is about 1270.1599403833.

The spelling of 2049157001 in words is "two billion, forty-nine million, one hundred fifty-seven thousand, one".