21457100448762 has 16 divisors (see below), whose sum is σ = 46815491888352. Its totient is φ = 6502151651120.

The previous prime is 21457100448697. The next prime is 21457100448779. The reversal of 21457100448762 is 26784400175412.

It is a super-3 number, since 3×21457100448762³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162553791213 + ... + 162553791344.

It is an arithmetic number, because the mean of its divisors is an integer number (2925968243022).

Almost surely, 2^{21457100448762} is an apocalyptic number.

21457100448762 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21457100448762 is an abundant number, since it is smaller than the sum of its proper divisors (25358391439590).

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

21457100448762 is a wasteful number, since it uses less digits than its factorization.

21457100448762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325107582573.

The product of its (nonzero) digits is 3010560, while the sum is 51.

The spelling of 21457100448762 in words is "twenty-one trillion, four hundred fifty-seven billion, one hundred million, four hundred forty-eight thousand, seven hundred sixty-two".