2673372421 has 2 divisors, whose sum is σ = 2673372422. Its totient is φ = 2673372420.

The previous prime is 2673372269. The next prime is 2673372431. The reversal of 2673372421 is 1242733762.

2673372421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2604979521 + 68392900 = 51039^2 + 8270^2 .

It is a cyclic number.

It is not a de Polignac number, because 2673372421 - 2¹¹ = 2673370373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2673372431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1336686210 + 1336686211.

It is an arithmetic number, because the mean of its divisors is an integer number (1336686211).

Almost surely, 2^2673372421 is an apocalyptic number.

It is an amenable number.

2673372421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2673372421 is an equidigital number, since it uses as much as digits as its factorization.

2673372421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 37.

The square root of 2673372421 is about 51704.6653697710. The cubic root of 2673372421 is about 1387.8839533253.

The spelling of 2673372421 in words is "two billion, six hundred seventy-three million, three hundred seventy-two thousand, four hundred twenty-one".