61949837926 has 16 divisors (see below), whose sum is σ = 95594613696. Its totient is φ = 30094588096.

The previous prime is 61949837923. The next prime is 61949837947. The reversal of 61949837926 is 62973894916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61949837923) 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, 2392381 + ... + 2418136.

It is an arithmetic number, because the mean of its divisors is an integer number (5974663356).

Almost surely, 2^61949837926 is an apocalyptic number.

61949837926 is a deficient number, since it is larger than the sum of its proper divisors (33644775770).

61949837926 is a wasteful number, since it uses less digits than its factorization.

61949837926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4810703.

The product of its digits is 35271936, while the sum is 64.

The spelling of 61949837926 in words is "sixty-one billion, nine hundred forty-nine million, eight hundred thirty-seven thousand, nine hundred twenty-six".