19342342077 has 32 divisors (see below), whose sum is σ = 26868844800. Its totient is φ = 12361961472.

The previous prime is 19342342069. The next prime is 19342342109. The reversal of 19342342077 is 77024324391.

It is not a de Polignac number, because 19342342077 - 2³ = 19342342069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19342342007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14086963 + ... + 14088335.

It is an arithmetic number, because the mean of its divisors is an integer number (839651400).

Almost surely, 2^19342342077 is an apocalyptic number.

It is an amenable number.

19342342077 is a deficient number, since it is larger than the sum of its proper divisors (7526502723).

19342342077 is a wasteful number, since it uses less digits than its factorization.

19342342077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2437.

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 19342342077 in words is "nineteen billion, three hundred forty-two million, three hundred forty-two thousand, seventy-seven".