2537567969 has 2 divisors, whose sum is σ = 2537567970. Its totient is φ = 2537567968.

The previous prime is 2537567957. The next prime is 2537568001. The reversal of 2537567969 is 9697657352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2066157025 + 471410944 = 45455^2 + 21712^2 .

It is a cyclic number.

It is not a de Polignac number, because 2537567969 - 2⁴ = 2537567953 is a prime.

It is a super-2 number, since 2×2537567969² = 12878502394589569922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2537567939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1268783984 + 1268783985.

It is an arithmetic number, because the mean of its divisors is an integer number (1268783985).

Almost surely, 2^2537567969 is an apocalyptic number.

It is an amenable number.

2537567969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2537567969 is an equidigital number, since it uses as much as digits as its factorization.

2537567969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21432600, while the sum is 59.

The square root of 2537567969 is about 50374.2788434733. The cubic root of 2537567969 is about 1363.9733802349.

The spelling of 2537567969 in words is "two billion, five hundred thirty-seven million, five hundred sixty-seven thousand, nine hundred sixty-nine".