49396708621 has 8 divisors (see below), whose sum is σ = 53266369464. Its totient is φ = 45537035520.

The previous prime is 49396708589. The next prime is 49396708633. The reversal of 49396708621 is 12680769394.

It can be written as a sum of positive squares in 4 ways, for example, as 1321322500 + 48075386121 = 36350^2 + 219261^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49396708621 - 2⁵ = 49396708589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49396708651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2486656 + ... + 2506441.

It is an arithmetic number, because the mean of its divisors is an integer number (6658296183).

Almost surely, 2^49396708621 is an apocalyptic number.

It is an amenable number.

49396708621 is a deficient number, since it is larger than the sum of its proper divisors (3869660843).

49396708621 is a wasteful number, since it uses less digits than its factorization.

49396708621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4993871.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 49396708621 in words is "forty-nine billion, three hundred ninety-six million, seven hundred eight thousand, six hundred twenty-one".