1377895650244 has 9 divisors (see below), whose sum is σ = 2411321496367. Its totient is φ = 688946651284.

The previous prime is 1377895650239. The next prime is 1377895650247. The reversal of 1377895650244 is 4420565987731.

The square root of 1377895650244 is 1173838.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×1377895650244² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1377895650247) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2054217 + ... + 2641135.

It is a 1-persistent number, because it is pandigital, but 2⋅1377895650244 = 2755791300488 is not.

Almost surely, 2^{1377895650244} is an apocalyptic number.

1377895650244 is the 1173838-th square number.

It is an amenable number.

1377895650244 is a deficient number, since it is larger than the sum of its proper divisors (1033425846123).

1377895650244 is an frugal number, since it uses more digits than its factorization.

1377895650244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173842 (or 586921 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 61.

The spelling of 1377895650244 in words is "one trillion, three hundred seventy-seven billion, eight hundred ninety-five million, six hundred fifty thousand, two hundred forty-four".