949188034403431 has 4 divisors (see below), whose sum is σ = 951774377821792. Its totient is φ = 946601690985072.

The previous prime is 949188034403429. The next prime is 949188034403443. The reversal of 949188034403431 is 134304430881949.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 949188034403431 - 2¹ = 949188034403429 is a prime.

It is a super-2 number, since 2×949188034403431² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 949188034403431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949188034403491) 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, 1293171708630 + ... + 1293171709363.

It is an arithmetic number, because the mean of its divisors is an integer number (237943594455448).

Almost surely, 2^{949188034403431} is an apocalyptic number.

949188034403431 is a deficient number, since it is larger than the sum of its proper divisors (2586343418361).

949188034403431 is a wasteful number, since it uses less digits than its factorization.

949188034403431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586343418360.

The product of its (nonzero) digits is 35831808, while the sum is 61.

The spelling of 949188034403431 in words is "nine hundred forty-nine trillion, one hundred eighty-eight billion, thirty-four million, four hundred three thousand, four hundred thirty-one".