49421451694368 has 96 divisors (see below), whose sum is σ = 140337148202496. Its totient is φ = 15138409402368.

The previous prime is 49421451694343. The next prime is 49421451694411. The reversal of 49421451694368 is 86349615412494.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 49421451694299 and 49421451694308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88512105 + ... + 89068712.

It is an arithmetic number, because the mean of its divisors is an integer number (1461845293776).

Almost surely, 2^{49421451694368} is an apocalyptic number.

49421451694368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49421451694368 is an abundant number, since it is smaller than the sum of its proper divisors (90915696508128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49421451694368 is a wasteful number, since it uses less digits than its factorization.

49421451694368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177581066 (or 177581058 counting only the distinct ones).

The product of its digits is 179159040, while the sum is 66.

The spelling of 49421451694368 in words is "forty-nine trillion, four hundred twenty-one billion, four hundred fifty-one million, six hundred ninety-four thousand, three hundred sixty-eight".