100392021487 has 2 divisors, whose sum is σ = 100392021488. Its totient is φ = 100392021486.

The previous prime is 100392021469. The next prime is 100392021491. The reversal of 100392021487 is 784120293001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100392021487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100392081487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50196010743 + 50196010744.

It is an arithmetic number, because the mean of its divisors is an integer number (50196010744).

Almost surely, 2^100392021487 is an apocalyptic number.

100392021487 is a deficient number, since it is larger than the sum of its proper divisors (1).

100392021487 is an equidigital number, since it uses as much as digits as its factorization.

100392021487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 100392021487 in words is "one hundred billion, three hundred ninety-two million, twenty-one thousand, four hundred eighty-seven".