1901412435426 has 32 divisors (see below), whose sum is σ = 4419748039680. Its totient is φ = 534052886736.

The previous prime is 1901412435407. The next prime is 1901412435431. The reversal of 1901412435426 is 6245342141091.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383656206 + ... + 383661161.

It is an arithmetic number, because the mean of its divisors is an integer number (138117126240).

Almost surely, 2^{1901412435426} is an apocalyptic number.

1901412435426 is an abundant number, since it is smaller than the sum of its proper divisors (2518335604254).

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

1901412435426 is a wasteful number, since it uses less digits than its factorization.

1901412435426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767317438.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 1901412435426 in words is "one trillion, nine hundred one billion, four hundred twelve million, four hundred thirty-five thousand, four hundred twenty-six".