2546140969 has 2 divisors, whose sum is σ = 2546140970. Its totient is φ = 2546140968.

The previous prime is 2546140967. The next prime is 2546140981. The reversal of 2546140969 is 9690416452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2543890969 + 2250000 = 50437^2 + 1500^2 .

It is a cyclic number.

It is not a de Polignac number, because 2546140969 - 2¹ = 2546140967 is a prime.

It is a super-2 number, since 2×2546140969² = 12965667668040517922, which contains 22 as substring.

Together with 2546140967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2546140967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273070484 + 1273070485.

It is an arithmetic number, because the mean of its divisors is an integer number (1273070485).

Almost surely, 2^2546140969 is an apocalyptic number.

It is an amenable number.

2546140969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2546140969 is an equidigital number, since it uses as much as digits as its factorization.

2546140969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 2546140969 is about 50459.3001239613. The cubic root of 2546140969 is about 1365.5076839729.

It can be divided in two parts, 25461 and 40969, that added together give a triangular number (66430 = T₃₆₄).

The spelling of 2546140969 in words is "two billion, five hundred forty-six million, one hundred forty thousand, nine hundred sixty-nine".