1377573144742 has 16 divisors (see below), whose sum is σ = 2156672252160. Its totient is φ = 658695472072.

The previous prime is 1377573144691. The next prime is 1377573144799. The reversal of 1377573144742 is 2474413757731.

It is a happy number.

It is a super-2 number, since 2×1377573144742² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3056392 + ... + 3478027.

It is an arithmetic number, because the mean of its divisors is an integer number (134792015760).

Almost surely, 2^{1377573144742} is an apocalyptic number.

1377573144742 is a deficient number, since it is larger than the sum of its proper divisors (779099107418).

1377573144742 is a wasteful number, since it uses less digits than its factorization.

1377573144742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6539027.

The product of its digits is 13829760, while the sum is 55.

The spelling of 1377573144742 in words is "one trillion, three hundred seventy-seven billion, five hundred seventy-three million, one hundred forty-four thousand, seven hundred forty-two".