740921694263 has 4 divisors (see below), whose sum is σ = 753067951608. Its totient is φ = 728775436920.

The previous prime is 740921694251. The next prime is 740921694299. The reversal of 740921694263 is 362496129047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362496129047 = 13 ⋅27884317619.

It is a cyclic number.

It is not a de Polignac number, because 740921694263 - 2¹⁴ = 740921677879 is a prime.

It is a super-2 number, since 2×740921694263² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740921694763) 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, 6073128581 + ... + 6073128702.

It is an arithmetic number, because the mean of its divisors is an integer number (188266987902).

Almost surely, 2^740921694263 is an apocalyptic number.

740921694263 is a deficient number, since it is larger than the sum of its proper divisors (12146257345).

740921694263 is a wasteful number, since it uses less digits than its factorization.

740921694263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12146257344.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 740921694263 in words is "seven hundred forty billion, nine hundred twenty-one million, six hundred ninety-four thousand, two hundred sixty-three".