371675401421 has 2 divisors, whose sum is σ = 371675401422. Its totient is φ = 371675401420.

The previous prime is 371675401411. The next prime is 371675401459. The reversal of 371675401421 is 124104576173.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245930695396 + 125744706025 = 495914^2 + 354605^2 .

It is an emirp because it is prime and its reverse (124104576173) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 371675401421 - 2³⁸ = 96797494477 is a prime.

It is a super-2 number, since 2×371675401421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (371675401411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185837700710 + 185837700711.

It is an arithmetic number, because the mean of its divisors is an integer number (185837700711).

Almost surely, 2^371675401421 is an apocalyptic number.

It is an amenable number.

371675401421 is a deficient number, since it is larger than the sum of its proper divisors (1).

371675401421 is an equidigital number, since it uses as much as digits as its factorization.

371675401421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 41.

Adding to 371675401421 its reverse (124104576173), we get a palindrome (495779977594).

The spelling of 371675401421 in words is "three hundred seventy-one billion, six hundred seventy-five million, four hundred one thousand, four hundred twenty-one".