249933464371 has 4 divisors (see below), whose sum is σ = 251841353544. Its totient is φ = 248025575200.

The previous prime is 249933464317. The next prime is 249933464399. The reversal of 249933464371 is 173464339942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 173464339942 = 2 ⋅86732169971.

It is a cyclic number.

It is not a de Polignac number, because 249933464371 - 2⁹ = 249933463859 is a prime.

It is a super-2 number, since 2×249933464371² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249933464171) 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, 953944390 + ... + 953944651.

It is an arithmetic number, because the mean of its divisors is an integer number (62960338386).

Almost surely, 2^249933464371 is an apocalyptic number.

249933464371 is a deficient number, since it is larger than the sum of its proper divisors (1907889173).

249933464371 is a wasteful number, since it uses less digits than its factorization.

249933464371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907889172.

The product of its digits is 11757312, while the sum is 55.

The spelling of 249933464371 in words is "two hundred forty-nine billion, nine hundred thirty-three million, four hundred sixty-four thousand, three hundred seventy-one".