49919229434 has 4 divisors (see below), whose sum is σ = 74878844154. Its totient is φ = 24959614716.

The previous prime is 49919229427. The next prime is 49919229443. The reversal of 49919229434 is 43492291994.

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

It can be written as a sum of positive squares in only one way, i.e., 26616291025 + 23302938409 = 163145^2 + 152653^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49919229434.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12479807357 + ... + 12479807360.

Almost surely, 2^49919229434 is an apocalyptic number.

49919229434 is a deficient number, since it is larger than the sum of its proper divisors (24959614720).

49919229434 is a wasteful number, since it uses less digits than its factorization.

49919229434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24959614719.

The product of its digits is 5038848, while the sum is 56.

The spelling of 49919229434 in words is "forty-nine billion, nine hundred nineteen million, two hundred twenty-nine thousand, four hundred thirty-four".