981455696950 has 12 divisors (see below), whose sum is σ = 1825507596420. Its totient is φ = 392582278760.

The previous prime is 981455696941. The next prime is 981455696957. The reversal of 981455696950 is 59696554189.

It is a super-2 number, since 2×981455696950² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981455696957) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9814556920 + ... + 9814557019.

It is an arithmetic number, because the mean of its divisors is an integer number (152125633035).

Almost surely, 2^981455696950 is an apocalyptic number.

981455696950 is a deficient number, since it is larger than the sum of its proper divisors (844051899470).

981455696950 is a wasteful number, since it uses less digits than its factorization.

981455696950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19629113951 (or 19629113946 counting only the distinct ones).

The product of its (nonzero) digits is 104976000, while the sum is 67.

The spelling of 981455696950 in words is "nine hundred eighty-one billion, four hundred fifty-five million, six hundred ninety-six thousand, nine hundred fifty".