1619134141938 has 16 divisors (see below), whose sum is σ = 3379062557376. Its totient is φ = 516245668400.

The previous prime is 1619134141931. The next prime is 1619134141951. The reversal of 1619134141938 is 8391414319161.

It is not an unprimeable number, because it can be changed into a prime (1619134141931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5866427913 + ... + 5866428188.

It is an arithmetic number, because the mean of its divisors is an integer number (211191409836).

Almost surely, 2^{1619134141938} is an apocalyptic number.

1619134141938 is an abundant number, since it is smaller than the sum of its proper divisors (1759928415438).

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

1619134141938 is a wasteful number, since it uses less digits than its factorization.

1619134141938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11732856129.

The product of its digits is 559872, while the sum is 51.

The spelling of 1619134141938 in words is "one trillion, six hundred nineteen billion, one hundred thirty-four million, one hundred forty-one thousand, nine hundred thirty-eight".