959740149721 has 4 divisors (see below), whose sum is σ = 1010252789200. Its totient is φ = 909227510244.

The previous prime is 959740149703. The next prime is 959740149727. The reversal of 959740149721 is 127941047959.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 959740149721 - 2⁵ = 959740149689 is a prime.

It is a super-2 number, since 2×959740149721² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (959740149727) 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, 25256319711 + ... + 25256319748.

It is an arithmetic number, because the mean of its divisors is an integer number (252563197300).

Almost surely, 2^959740149721 is an apocalyptic number.

It is an amenable number.

959740149721 is a deficient number, since it is larger than the sum of its proper divisors (50512639479).

959740149721 is a wasteful number, since it uses less digits than its factorization.

959740149721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50512639478.

The product of its (nonzero) digits is 5715360, while the sum is 58.

The spelling of 959740149721 in words is "nine hundred fifty-nine billion, seven hundred forty million, one hundred forty-nine thousand, seven hundred twenty-one".