1901377555413 has 16 divisors (see below), whose sum is σ = 2904252126720. Its totient is φ = 1083908372976.

The previous prime is 1901377555387. The next prime is 1901377555463. The reversal of 1901377555413 is 3145557731091.

It is a happy number.

It is not a de Polignac number, because 1901377555413 - 2¹² = 1901377551317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1901377555463) 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, 108036295 + ... + 108053892.

It is an arithmetic number, because the mean of its divisors is an integer number (181515757920).

Almost surely, 2^{1901377555413} is an apocalyptic number.

It is an amenable number.

1901377555413 is a deficient number, since it is larger than the sum of its proper divisors (1002874571307).

1901377555413 is a wasteful number, since it uses less digits than its factorization.

1901377555413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216090616.

The product of its (nonzero) digits is 1984500, while the sum is 51.

The spelling of 1901377555413 in words is "one trillion, nine hundred one billion, three hundred seventy-seven million, five hundred fifty-five thousand, four hundred thirteen".