249199148290 has 16 divisors (see below), whose sum is σ = 458990059968. Its totient is φ = 97361527536.

The previous prime is 249199148281. The next prime is 249199148339. The reversal of 249199148290 is 92841991942.

It is a super-2 number, since 2×249199148290² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289766022 + ... + 289766881.

It is an arithmetic number, because the mean of its divisors is an integer number (28686878748).

Almost surely, 2^249199148290 is an apocalyptic number.

249199148290 is a deficient number, since it is larger than the sum of its proper divisors (209790911678).

249199148290 is a wasteful number, since it uses less digits than its factorization.

249199148290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579532953.

The product of its (nonzero) digits is 3359232, while the sum is 58.

The spelling of 249199148290 in words is "two hundred forty-nine billion, one hundred ninety-nine million, one hundred forty-eight thousand, two hundred ninety".