919890672029 has 16 divisors (see below), whose sum is σ = 1109750496000. Its totient is φ = 761288823792.

The previous prime is 919890671993. The next prime is 919890672037. The reversal of 919890672029 is 920276098919.

It is not a de Polignac number, because 919890672029 - 2³⁶ = 851171195293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (919890672229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46229657 + ... + 46249550.

It is an arithmetic number, because the mean of its divisors is an integer number (69359406000).

Almost surely, 2^919890672029 is an apocalyptic number.

It is an amenable number.

919890672029 is a deficient number, since it is larger than the sum of its proper divisors (189859823971).

919890672029 is an equidigital number, since it uses as much as digits as its factorization.

919890672029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92479257 (or 92479243 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 62.

The spelling of 919890672029 in words is "nine hundred nineteen billion, eight hundred ninety million, six hundred seventy-two thousand, twenty-nine".