249048537629 has 4 divisors (see below), whose sum is σ = 249049540860. Its totient is φ = 249047534400.

The previous prime is 249048537623. The next prime is 249048537641. The reversal of 249048537629 is 926735840942.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 71198248900 + 177850288729 = 266830^2 + 421723^2 .

It is a cyclic number.

It is not a de Polignac number, because 249048537629 - 2⁴ = 249048537613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249048537623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174779 + ... + 727079.

It is an arithmetic number, because the mean of its divisors is an integer number (62262385215).

Almost surely, 2^249048537629 is an apocalyptic number.

It is an amenable number.

249048537629 is a deficient number, since it is larger than the sum of its proper divisors (1003231).

249048537629 is an equidigital number, since it uses as much as digits as its factorization.

249048537629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003230.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 249048537629 in words is "two hundred forty-nine billion, forty-eight million, five hundred thirty-seven thousand, six hundred twenty-nine".