249064951142354 has 32 divisors (see below), whose sum is σ = 397241708232960. Its totient is φ = 116712856495872.

The previous prime is 249064951142341. The next prime is 249064951142411. The reversal of 249064951142354 is 453241159460942.

It is a happy number.

It is a super-2 number, since 2×249064951142354² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 249064951142293 and 249064951142302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259251872 + ... + 260210804.

It is an arithmetic number, because the mean of its divisors is an integer number (12413803382280).

Almost surely, 2^{249064951142354} is an apocalyptic number.

249064951142354 is a deficient number, since it is larger than the sum of its proper divisors (148176757090606).

249064951142354 is a wasteful number, since it uses less digits than its factorization.

249064951142354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991154.

The product of its (nonzero) digits is 37324800, while the sum is 59.

The spelling of 249064951142354 in words is "two hundred forty-nine trillion, sixty-four billion, nine hundred fifty-one million, one hundred forty-two thousand, three hundred fifty-four".