89380531939 has 2 divisors, whose sum is σ = 89380531940. Its totient is φ = 89380531938.

The previous prime is 89380531927. The next prime is 89380531991. The reversal of 89380531939 is 93913508398.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89380531939 - 2²¹ = 89378434787 is a prime.

It is not a weakly prime, because it can be changed into another prime (89380531039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44690265969 + 44690265970.

It is an arithmetic number, because the mean of its divisors is an integer number (44690265970).

Almost surely, 2^89380531939 is an apocalyptic number.

89380531939 is a deficient number, since it is larger than the sum of its proper divisors (1).

89380531939 is an equidigital number, since it uses as much as digits as its factorization.

89380531939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6298560, while the sum is 58.

The spelling of 89380531939 in words is "eighty-nine billion, three hundred eighty million, five hundred thirty-one thousand, nine hundred thirty-nine".