2656046149 has 2 divisors, whose sum is σ = 2656046150. Its totient is φ = 2656046148.

The previous prime is 2656046101. The next prime is 2656046177. The reversal of 2656046149 is 9416406562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1460615524 + 1195430625 = 38218^2 + 34575^2 .

It is a cyclic number.

It is not a de Polignac number, because 2656046149 - 2⁷ = 2656046021 is a prime.

It is a super-2 number, since 2×2656046149² = 14109162291235460402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2656046189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328023074 + 1328023075.

It is an arithmetic number, because the mean of its divisors is an integer number (1328023075).

Almost surely, 2^2656046149 is an apocalyptic number.

It is an amenable number.

2656046149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656046149 is an equidigital number, since it uses as much as digits as its factorization.

2656046149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 2656046149 is about 51536.8426370883. The cubic root of 2656046149 is about 1384.8791353646.

The spelling of 2656046149 in words is "two billion, six hundred fifty-six million, forty-six thousand, one hundred forty-nine".